docs: update swagger

docs/docs.go

@@ -1370,7 +1370,7 @@ const docTemplate = `{
                         "in": "body",
                         "required": true,
                         "schema": {
-                            "$ref": "#/definitions/handlers.VoteRequest"
+                            "$ref": "#/definitions/dto.VoteRequest"
                         }
                     }
                 ],
@@ -2018,6 +2018,22 @@ const docTemplate = `{
                 }
             }
         },
+        "dto.VoteRequest": {
+            "type": "object",
+            "required": [
+                "type"
+            ],
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "enum": [
+                        "up",
+                        "down",
+                        "none"
+                    ]
+                }
+            }
+        },
         "handlers.APIInfo": {
             "type": "object",
             "properties": {
@@ -2150,21 +2166,6 @@ const docTemplate = `{
                 }
             }
         },
-        "handlers.VoteRequest": {
-            "description": "Vote request with type field. All votes are handled the same way.",
-            "type": "object",
-            "properties": {
-                "type": {
-                    "type": "string",
-                    "enum": [
-                        "up",
-                        "down",
-                        "none"
-                    ],
-                    "example": "up"
-                }
-            }
-        },
         "handlers.VoteResponse": {
             "type": "object",
             "properties": {

docs/swagger.json

@@ -1367,7 +1367,7 @@
                         "in": "body",
                         "required": true,
                         "schema": {
-                            "$ref": "#/definitions/handlers.VoteRequest"
+                            "$ref": "#/definitions/dto.VoteRequest"
                         }
                     }
                 ],
@@ -2015,6 +2015,22 @@
                 }
             }
         },
+        "dto.VoteRequest": {
+            "type": "object",
+            "required": [
+                "type"
+            ],
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "enum": [
+                        "up",
+                        "down",
+                        "none"
+                    ]
+                }
+            }
+        },
         "handlers.APIInfo": {
             "type": "object",
             "properties": {
@@ -2147,21 +2163,6 @@
                 }
             }
         },
-        "handlers.VoteRequest": {
-            "description": "Vote request with type field. All votes are handled the same way.",
-            "type": "object",
-            "properties": {
-                "type": {
-                    "type": "string",
-                    "enum": [
-                        "up",
-                        "down",
-                        "none"
-                    ],
-                    "example": "up"
-                }
-            }
-        },
         "handlers.VoteResponse": {
             "type": "object",
             "properties": {

docs/swagger.yaml

@@ -140,6 +140,17 @@ definitions:
     required:
     - username
     type: object
+  dto.VoteRequest:
+    properties:
+      type:
+        enum:
+        - up
+        - down
+        - none
+        type: string
+    required:
+    - type
+    type: object
   handlers.APIInfo:
     properties:
       data: {}
@@ -230,17 +241,6 @@ definitions:
       success:
         type: boolean
     type: object
-  handlers.VoteRequest:
-    description: Vote request with type field. All votes are handled the same way.
-    properties:
-      type:
-        enum:
-        - up
-        - down
-        - none
-        example: up
-        type: string
-    type: object
   handlers.VoteResponse:
     properties:
       data: {}
@@ -1121,7 +1121,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/handlers.VoteRequest'
+          $ref: '#/definitions/dto.VoteRequest'
       produces:
       - application/json
       responses:

internal/dto/vote.go

@@ -6,6 +6,10 @@ import (
 	"goyco/internal/database"
 )
 
+type VoteRequest struct {
+	Type string `json:"type" validate:"required,oneof=up down none"`
+}
+
 type VoteDTO struct {
 	ID        uint      `json:"id"`
 	UserID    *uint     `json:"user_id,omitempty"`

internal/handlers/vote_handler.go

@@ -4,6 +4,7 @@ import (
 	"net/http"
 
 	"goyco/internal/database"
+	"goyco/internal/dto"
 	"goyco/internal/services"
 
 	"github.com/go-chi/chi/v5"
@@ -39,11 +40,6 @@ func NewVoteHandler(voteService *services.VoteService) *VoteHandler {
 	}
 }
 
-// @Description Vote request with type field. All votes are handled the same way.
-type VoteRequest struct {
-	Type string `json:"type" example:"up" enums:"up,down,none" description:"Vote type: 'up' for upvote, 'down' for downvote, 'none' to remove vote"`
-}
-
 type VoteResponse = CommonResponse
 
 // @Summary Cast a vote on a post
@@ -62,7 +58,7 @@ type VoteResponse = CommonResponse
 // @Produce json
 // @Security BearerAuth
 // @Param id path int true "Post ID"
-// @Param request body VoteRequest true "Vote data (type: 'up', 'down', or 'none' to remove)"
+// @Param request body dto.VoteRequest true "Vote data (type: 'up', 'down', or 'none' to remove)"
 // @Success 200 {object} VoteResponse "Vote cast successfully with updated post statistics"
 // @Failure 401 {object} VoteResponse "Authentication required"
 // @Failure 400 {object} VoteResponse "Invalid request data or vote type"
@@ -82,8 +78,9 @@ func (h *VoteHandler) CastVote(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var req VoteRequest
+	req, ok := GetValidatedDTO[dto.VoteRequest](r)
-	if !DecodeJSONRequest(w, r, &req) {
+	if !ok {
+		SendErrorResponse(w, "Invalid request", http.StatusBadRequest)
 		return
 	}
 
@@ -286,7 +283,7 @@ func (h *VoteHandler) MountRoutes(r chi.Router, config RouteModuleConfig) {
 		protected = config.GeneralRateLimit(protected)
 	}
 
-	protected.Post("/posts/{id}/vote", h.CastVote)
+	protected.Post("/posts/{id}/vote", WithValidation[dto.VoteRequest](config.ValidationMiddleware, h.CastVote))
 	protected.Delete("/posts/{id}/vote", h.RemoveVote)
 	protected.Get("/posts/{id}/vote", h.GetUserVote)
 	protected.Get("/posts/{id}/votes", h.GetPostVotes)